Fixes invalid arguments passed to move command
Minor code convention cleanup

Use def with parentheses when there are arguments. Omit the parentheses when the method doesn't accept any arguments.
Removes commented out code
Updates README with `initconfig` and changes to selection api
Prevent invalid commands from being passed to default command
Adds happy path cucumber scenarios
Adds 'POMO_ENV' to tests

Ensure local .pomo file doesn't get read during test runs
Adds copy command
Cleans up command examples